<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>商品类目统计</title>
    <!‐‐ 引入样式 ‐‐>
    <link rel="stylesheet" href="../css/theme-chalk.css">
    <link rel="stylesheet" href="../plugins/font-awesome/css/font-awesome.min.css">
    <link rel="stylesheet" href="../css/style.css">
</head>
<body>
<div id="app">
    <el-date-picker
            v-model="dateRange"
            type="daterange"
            range-separator="至"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
            @change="fetchData()">
    </el-date-picker>

    <div id="main" style="width: 600px;height: 400px;"></div>

    <template>
        <el-table
                :data="tableData"
                border
                style="width: 100%">
            <el-table-column
                    prop="categoryName"
                    label="分类名称"
                    width="200">
            </el-table-column>
            <el-table-column
                    prop="num"
                    label="销售量"
                    width="200">
            </el-table-column>
            <el-table-column
                    label="数量比例"
                    width="200">
                <template slot-scope="scope">
                    {{(scope.row.num/totalNum*100).toFixed(0)}}%
                </template>
            </el-table-column>
            <el-table-column
                    label="销售额"
                    width="200">
                <template slot-scope="scope">
                    {{(scope.row.money/100).toFixed(2)}}
                </template>
            </el-table-column>
            <el-table-column
                    label="金额比例"
                    width="200">
                <template slot-scope="scope">
                    {{(scope.row.money/totalMoney*100).toFixed(0)}}%
                </template>
            </el-table-column>
        </el-table>
    </template>
</div>

</body>
<script src="/js/util.js"></script>
<script src="/js/vue.js"></script>
<script src="/js/axios.js"></script>
<script src="/js/elementui.js"></script>
<script src="/js/echarts.common.min.js"></script>

<script>
    new Vue({
        el:'#app',
        data(){
            return{
                tableData:[],
                dateRange:[],
                totalNum:0,
                totalMoney:0
            }
        },
        methods:{
            fetchData() {
                let date1=this.dateRange[0].Format('yyyy-MM-dd');
                let date2=this.dateRange[1].Format('yyyy-MM-dd');
                axios.get(`/categoryReport/category1Count.do?date1=${date1}&date2=${date2}`).then(response=>{
                    this.tableData=response.data;
                    //计算总销售数量和总销售金额
                    this.totalNum=0;
                    this.totalMoney=0;
                    for (let i=0;i<this.tableData.length;i++){
                        this.totalNum+=this.tableData[i].num;
                        this.totalMoney+=this.tableData[i].money;
                    }

                    let legendData=[];//图例
                    let numData=[];//销售量数据
                    let moneyData=[];//销售额数据
                    for (let i = 0; i < this.tableData.length; i++) {
                        legendData.push(this.tableData[i].categoryName);
                        numData.push({name:this.tableData[i].categoryName ,value:this.tableData[i].num})
                        moneyData.push({name:this.tableData[i].categoryName ,value:this.tableData[i].money})
                    }

                    //创建饼图
                    let myChart = echarts.init(document.getElementById('main'));
                    let option = {
                        title : {
                            text: '产品类目销售分析',
                            subtext: '纯属虚构',
                            x:'center'
                        },
                        tooltip : {
                            trigger: 'item',
                            formatter: "{a} <br/>{b} : {c} ({d}%)"
                        },
                        legend: {
                            orient: 'vertical',
                            left: 'left',
                            data: legendData
                        },
                        series : [
                            {
                                name: '访问来源',
                                type: 'pie',
                                radius : '35%',
                                center: ['30%', '50%'],
                                data:numData,
                                itemStyle: {
                                    emphasis: {
                                        shadowBlur: 10,
                                        shadowOffsetX: 0,
                                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                                    }
                                }
                            },
                            {
                                name: '访问来源',
                                type: 'pie',
                                radius : '35%',
                                center: ['80%', '50%'],
                                data:moneyData,
                                itemStyle: {
                                    emphasis: {
                                        shadowBlur: 10,
                                        shadowOffsetX: 0,
                                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                                    }
                                }
                            }
                        ]
                    };
                    //使用指定的配置项和数据显示图表
                    myChart.setOption(option);


                })
            }
        }
    })

</script>
</html>